Fig. 2

NuStim increased the collagen fiber content in the pelvic floor muscle and anterior vaginal wall under Masson staining. (A) Masson’s trichrome stain of pelvic floor muscle and anterior vaginal wall tissue, 200× magnification. (B) Histogram of collagen fiber percentage in pelvic floor muscle tissue. (C) Histogram of collagen fiber percentage in anterior vaginal wall tissue. *P < 0.05; **P < 0.01; ***P < 0.001 (n = 6/group).